<?php
/* Copyright (C) 2013-2016  Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2014-2015  Frederic France      <frederic.france@free.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * \file        htdocs/admin/oauthlogintoken.php
 * \ingroup     oauth
 * \brief       Setup page to configure oauth access to login information
 */

require '../main.inc.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/oauth.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
use OAuth\Common\Storage\DoliStorage;

$langs->load("admin");
$langs->load("printing");
$langs->load("oauth");

if (! $user->admin) accessforbidden();

$action = GETPOST('action','alpha');
$mode = GETPOST('mode','alpha');
$value = GETPOST('value','alpha');
$varname = GETPOST('varname', 'alpha');
$driver = GETPOST('driver', 'alpha');

if (! empty($driver)) $langs->load($driver);

if (!$mode) $mode='setup';


/*
 * Action
 */

/*if (($mode == 'test' || $mode == 'setup') && empty($driver))
{
    setEventMessages($langs->trans('PleaseSelectaDriverfromList'), null);
    header("Location: ".$_SERVER['PHP_SELF'].'?mode=config');
    exit;
}*/

if ($action == 'setconst' && $user->admin)
{
    $error=0;
    $db->begin();
    foreach ($_POST['setupdriver'] as $setupconst) {
        //print '<pre>'.print_r($setupconst, true).'</pre>';
        $result=dolibarr_set_const($db, $setupconst['varname'],$setupconst['value'],'chaine',0,'',$conf->entity);
        if (! $result > 0) $error++;
    }

    if (! $error)
    {
        $db->commit();
        setEventMessages($langs->trans("SetupSaved"), null);
    }
    else
    {
        $db->rollback();
        dol_print_error($db);
    }
    $action='';
}

if ($action == 'setvalue' && $user->admin)
{
    $db->begin();

    $result=dolibarr_set_const($db, $varname, $value,'chaine',0,'',$conf->entity);
    if (! $result > 0) $error++;

    if (! $error)
    {
        $db->commit();
        setEventMessages($langs->trans("SetupSaved"), null);
    }
    else
    {
        $db->rollback();
        dol_print_error($db);
    }
    $action = '';
}


/*
 * View
 */

// Define $urlwithroot
$urlwithouturlroot=preg_replace('/'.preg_quote(DOL_URL_ROOT,'/').'$/i','',trim($dolibarr_main_url_root));
$urlwithroot=$urlwithouturlroot.DOL_URL_ROOT;		// This is to use external domain name found into config file
//$urlwithroot=DOL_MAIN_URL_ROOT;					// This is to use same domain name than current

$form = new Form($db);

llxHeader('',$langs->trans("PrintingSetup"));

$linkback='<a href="'.DOL_URL_ROOT.'/admin/modules.php">'.$langs->trans("BackToModuleList").'</a>';
print load_fiche_titre($langs->trans('ConfigOAuth'),$linkback,'title_setup');

$head=oauthadmin_prepare_head($mode);

dol_fiche_head($head, 'tokengeneration', '', 0, 'technic');


if ($mode == 'setup' && $user->admin)
{

    print $langs->trans("OAuthSetupForLogin")."<br><br>\n";

    foreach($list as $key)
    {
        $supported=0;
        if (in_array($key[0], array_keys($supportedoauth2array))) $supported=1;
        if (! $supported) continue;     // show only supported
        
        
        $OAUTH_SERVICENAME='Unknown';
        if ($key[0] == 'OAUTH_GITHUB_NAME')
        {
            $OAUTH_SERVICENAME='GitHub';
            $urltorenew=$urlwithroot.'/core/modules/oauth/github_oauthcallback.php?state=user,public_repo&backtourl='.urlencode(DOL_URL_ROOT.'/admin/oauthlogintokens.php');
            $urltodelete=$urlwithroot.'/core/modules/oauth/github_oauthcallback.php?action=delete&backtourl='.urlencode(DOL_URL_ROOT.'/admin/oauthlogintokens.php');
            $urltocheckperms='https://github.com/settings/applications/';
        }
        if ($key[0] == 'OAUTH_GOOGLE_NAME')
        {
            $OAUTH_SERVICENAME='Google';
            $urltorenew=$urlwithroot.'/core/modules/oauth/google_oauthcallback.php?state=userinfo_email,userinfo_profile,cloud_print&backtourl='.urlencode(DOL_URL_ROOT.'/admin/oauthlogintokens.php');
            $urltodelete=$urlwithroot.'/core/modules/oauth/google_oauthcallback.php?action=delete&backtourl='.urlencode(DOL_URL_ROOT.'/admin/oauthlogintokens.php');
            $urltocheckperms='https://security.google.com/settings/security/permissions';
        }
        
        // Show value of token
        $tokenobj=null;
        // Token
        require_once DOL_DOCUMENT_ROOT.'/includes/OAuth/bootstrap.php';
        require_once DOL_DOCUMENT_ROOT.'/includes/OAuth/bootstrap.php';
        // Dolibarr storage
        $storage = new DoliStorage($db, $conf);
        try
        {
            $tokenobj = $storage->retrieveAccessToken($OAUTH_SERVICENAME);
        }
        catch(Exception $e)
        {
            // Return an error if token not found
        }
        
        // Set other properties
        $refreshtoken=false;
        $expiredat='';
        
        $expire = false;
        // Is token expired or will token expire in the next 30 seconds
        if (is_object($tokenobj)) {
            $expire = ($tokenobj->getEndOfLife() !== $tokenobj::EOL_NEVER_EXPIRES && $tokenobj->getEndOfLife() !== $tokenobj::EOL_UNKNOWN && time() > ($tokenobj->getEndOfLife() - 30));
        }
        
        if ($key[1] != '' && $key[2] != '') {
            if (is_object($tokenobj)) {
                $refreshtoken = $tokenobj->getRefreshToken();
                
                $endoflife = $tokenobj->getEndOfLife();
                if ($endoflife == $tokenobj::EOL_NEVER_EXPIRES)
                {
                    $expiredat = $langs->trans("Never");
                }
                elseif ($endoflife == $tokenobj::EOL_UNKNOWN)
                {
                    $expiredat = $langs->trans("Unknown");
                }
                else
                {
                    $expiredat=dol_print_date($endoflife, "dayhour");
                }
            }
        }

        $submit_enabled=0;
        
        print '<form method="post" action="'.$_SERVER["PHP_SELF"].'?mode=setup&amp;driver='.$driver.'" autocomplete="off">';
        print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
        print '<input type="hidden" name="action" value="setconst">';
    
        
        print '<table class="noborder" width="100%">'."\n";
        
        $var=false;
        print '<tr class="liste_titre">';
        print '<th class="titlefieldcreate">'.$langs->trans($key[0]).'</th>';
        print '<th></th>';
        print '<th></th>';
        print "</tr>\n";
        
        print '<tr class="oddeven">';
        print '<td'.($key['required']?' class="required"':'').'>';
        //var_dump($key);
        print $langs->trans("OAuthIDSecret").'</td>';
        print '<td>';
        print $langs->trans("SeePreviousTab");
        print '</td>';
        print '<td>';
        print '</td>';
        print '</tr>'."\n";
        
        $var = ! $var;
        print '<tr class="oddeven">';
        print '<td'.($key['required']?' class="required"':'').'>';
        //var_dump($key);
        print $langs->trans("IsTokenGenerated");
        print '</td>';
        print '<td>';
        if (is_object($tokenobj)) print $langs->trans("HasAccessToken");
        else print $langs->trans("NoAccessToken");
        print '</td>';
        print '<td>';
        // Links to delete/checks token
        if (is_object($tokenobj))
        {
            //test on $storage->hasAccessToken($OAUTH_SERVICENAME) ?
            print '<a class="button" href="'.$urltodelete.'">'.$langs->trans('DeleteAccess').'</a><br><br>';
        }
        // Request remote token
        print '<a class="button" href="'.$urltorenew.'">'.$langs->trans('RequestAccess').'</a><br><br>';
        // Check remote access
        if ($urltocheckperms)
        {
            print $langs->trans("ToCheckDeleteTokenOnProvider", $OAUTH_SERVICENAME).': <a href="'.$urltocheckperms.'" target="_'.strtolower($OAUTH_SERVICENAME).'">'.$urltocheckperms.'</a>';
        }
        print '</td>';
        print '</tr>';
        
        $var = ! $var;
        print '<tr class="oddeven">';
        print '<td'.($key['required']?' class="required"':'').'>';
        //var_dump($key);
        print $langs->trans("Token").'</td>';
        print '<td colspan="2">';
        if (is_object($tokenobj))
        {
            //var_dump($tokenobj);
            print $tokenobj->getAccessToken().'<br>';
            //print 'Refresh: '.$tokenobj->getRefreshToken().'<br>';
            //print 'EndOfLife: '.$tokenobj->getEndOfLife().'<br>';
            //var_dump($tokenobj->getExtraParams());
            /*print '<br>Extra: <br><textarea class="quatrevingtpercent">';
            print ''.join(',',$tokenobj->getExtraParams());
            print '</textarea>';*/
        }        
        print '</td>';
        print '</tr>'."\n";

        if (is_object($tokenobj))
        {
            // Token refresh
            $var = ! $var;
            print '<tr class="oddeven">';
            print '<td'.($key['required']?' class="required"':'').'>';
            //var_dump($key);
            print $langs->trans("TOKEN_REFRESH").'</td>';
            print '<td colspan="2">';
            print yn($refreshtoken);
            print '</td>';
            print '</tr>';
    
            // Token expired
            $var = ! $var;
            print '<tr class="oddeven">';
            print '<td'.($key['required']?' class="required"':'').'>';
            //var_dump($key);
            print $langs->trans("TOKEN_EXPIRED").'</td>';
            print '<td colspan="2">';
            print yn($expire);
            print '</td>';
            print '</tr>';
            
            // Token expired at
            $var = ! $var;
            print '<tr class="oddeven">';
            print '<td'.($key['required']?' class="required"':'').'>';
            //var_dump($key);
            print $langs->trans("TOKEN_EXPIRE_AT").'</td>';
            print '<td colspan="2">';
            print $expiredat;
            print '</td>';
            print '</tr>';        
        }
        
        print '</table>';

        if (! empty($driver))
        {
            if ($submit_enabled) {
                print '<div class="center"><input type="submit" class="button" value="'.dol_escape_htmltag($langs->trans("Modify")).'"></div>';
            }
        }

        
        print '</form>';
    }
    
}

if ($mode == 'test' && $user->admin)
{
    print $langs->trans('PrintTestDesc'.$driver)."<br><br>\n";

    print '<table class="noborder" width="100%">';
    if (! empty($driver))
    {
        require_once DOL_DOCUMENT_ROOT.'/core/modules/printing/'.$driver.'.modules.php';
        $classname = 'printing_'.$driver;
        $langs->load($driver);
        $printer = new $classname($db);
        //print '<pre>'.print_r($printer, true).'</pre>';
        if (count($printer->getlist_available_printers())) {
            if ($printer->listAvailablePrinters()==0) {
                print $printer->resprint;
            } else {
                setEventMessages($printer->error, $printer->errors, 'errors');
            }
        }
        else {
            print $langs->trans('PleaseConfigureDriverfromList');
        }

    }
    
    print '</table>';

}

if ($mode == 'userconf' && $user->admin)
{
    print $langs->trans('PrintUserConfDesc'.$driver)."<br><br>\n";

    print '<table class="noborder" width="100%">';
    $var=true;
    print '<tr class="liste_titre">';
    print '<th>'.$langs->trans("User").'</th>';
    print '<th>'.$langs->trans("PrintModule").'</th>';
    print '<th>'.$langs->trans("PrintDriver").'</th>';
    print '<th>'.$langs->trans("Printer").'</th>';
    print '<th>'.$langs->trans("PrinterLocation").'</th>';
    print '<th>'.$langs->trans("PrinterId").'</th>';
    print '<th>'.$langs->trans("NumberOfCopy").'</th>';
    print '<th class="center">'.$langs->trans("Delete").'</th>';
    print "</tr>\n";
    $sql = 'SELECT p.rowid, p.printer_name, p.printer_location, p.printer_id, p.copy, p.module, p.driver, p.userid, u.login FROM '.MAIN_DB_PREFIX.'printing as p, '.MAIN_DB_PREFIX.'user as u WHERE p.userid=u.rowid';
    $resql = $db->query($sql);
    while ($row=$db->fetch_array($resql)) {
        
        print '<tr class="oddeven">';
        print '<td>'.$row['login'].'</td>';
        print '<td>'.$row['module'].'</td>';
        print '<td>'.$row['driver'].'</td>';
        print '<td>'.$row['printer_name'].'</td>';
        print '<td>'.$row['printer_location'].'</td>';
        print '<td>'.$row['printer_id'].'</td>';
        print '<td>'.$row['copy'].'</td>';
        print '<td class="center">'.img_picto($langs->trans("Delete"), 'delete').'</td>';
        print "</tr>\n";
    }
    print '</table>';
}

dol_fiche_end();

llxFooter();

$db->close();
